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11022222020 = 2253791454119
BaseRepresentation
bin10100100001111100…
…11100001011000100
31001110011020220010012
422100332130023010
5140033142101040
65021420245352
7540066225035
oct122076341304
931404226105
1011022222020
1147468365a7
1221773a0858
131068708284
14767c16a8c
154479cd865
hex290f9c2c4

11022222020 has 24 divisors (see below), whose sum is σ = 23207755200. Its totient is φ = 4397252832.

The previous prime is 11022221971. The next prime is 11022222037. The reversal of 11022222020 is 2022222011.

It is a junction number, because it is equal to n+sod(n) for n = 11022221986 and 11022222004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719480 + ... + 734639.

It is an arithmetic number, because the mean of its divisors is an integer number (966989800).

Almost surely, 211022222020 is an apocalyptic number.

11022222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022222020 is an abundant number, since it is smaller than the sum of its proper divisors (12185533180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11022222020 is a wasteful number, since it uses less digits than its factorization.

11022222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454507 (or 1454505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11022222020 its reverse (2022222011), we get a palindrome (13044444031).

Subtracting from 11022222020 its reverse (2022222011), we obtain a palindrome (9000000009).

The spelling of 11022222020 in words is "eleven billion, twenty-two million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 379 758 1516 1895 3790 7580 1454119 2908238 5816476 7270595 14541190 29082380 551111101 1102222202 2204444404 2755555505 5511111010 11022222020